<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <!-- React核心包 最先引入 提供一个对象React -->
  <script src="../react18/react.development.js"></script>
  <!-- React操作DOM的包 提供了一个对象 ReactDOM -->
  <script src="../react18/react-dom.development.js"></script>
  <style>
    #app {
      width: 100px;
      height: 100px;
      background-color: pink;
    }
  </style>
</head>

<body>
  <div id="app"></div>
  <script>
    const vDom = React.createElement("div", {
        className: "outer"
      },
      React.createElement("h1", {}, "嗨嗨嗨"),
      React.createElement("p", {}, "嚯嚯嚯"))

    ReactDOM.createRoot(document.getElementById("app")).render(vDom)
  </script>
</body>

</html>